Network Engineer Sr.

Core Network Infrastructure Management Sr.

Location: Washington, DC – Remote
Clearance Requirement: U.S. Citizen Top-Secret SCI Eligible
Salary Range: $140k – $145k

Who We Are

At RCG, Inc., we’re more than just a federal contracting company — we’re a team of innovators, problem-solvers, and collaborators. Proudly Certified™ as a Great Place to Work® 4 years in a row, we are committed to building a culture where people can grow, contribute, and thrive while delivering exceptional IT services to government clients.

The Opportunity

We are seeking a Senior Network Engineer to provide expertise in core network infrastructure management. This role is 100% remote, unless specifically called to attend a meeting at the customer’s site. You’ll work closely with teammates to manage critical enterprise network operations, ensuring security, performance, and connectivity across both domestic and international offices.

What You’ll Do

As a Senior Network Engineer, you will:

• Manage core network infrastructure to ensure reliability and security.
• Validate weekly and monthly ISP reports and support SSL certificate renewals.
• Provide network connectivity support for users across domestic and international offices.
• Deliver hardware and cabling support on-site as needed.
• Utilize Network Access Control (NAC) and monitoring tools to track and manage network performance.
• Block/unblock IPs, monitor suspicious traffic, and perform firmware/software upgrades on Cisco ASAs, routers, and switches in alignment with cybersecurity guidance.
• Maintain and configure network security groups, routes, and firewall rules in AWS and Azure environments.
• Support and manage circuits and connections, as well as subnets, VNets, and VPCs in cloud environments.
• Respond promptly to outages and other network-related incidents, ensuring compliance with Service Level Agreements (SLAs).

What We’re Looking For

• U.S. Citizen Top-Secret SCI Eligible.
• Bachelor’s degree in business, Science, Information Technology, Engineering, or Mathematics.
• Minimum 8 years of experience in network engineering or related IT fields.
• Strong problem-solving skills with the ability to work independently or under general direction.
• Excellent written and verbal communication skills, with the ability to explain technical issues to non-technical users.

Preferred Skills & Certifications

• One or more of the following: CCNP, CCIE, CCNA, F5, ITIL, CCDP, CCISP, SP, JNCIP, AWS.
• Prior experience supporting federal government environments.

Why You’ll Love Working Here

• Certified™ Great Place to Work® — supportive and inclusive culture.
• Competitive pay and benefits package.
• Opportunities to grow and advance your IT career.
• Make a direct impact by supporting mission-critical government operations.

Equal Opportunity Statement

RCG, Inc. does not discriminate against qualified individuals based on their status as protected veterans or individuals with disabilities and prohibits discrimination against all individuals based on their race, color, religion, sex, sexual orientation/gender identity, or national origin. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.